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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
| 6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
| 7 | 7 |
| 8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
| 9 #include "vm/instructions.h" | 9 #include "vm/instructions.h" |
| 10 #include "vm/stub_code.h" | 10 #include "vm/stub_code.h" |
| 11 #include "vm/unit_test.h" | 11 #include "vm/unit_test.h" |
| 12 | 12 |
| 13 namespace dart { | 13 namespace dart { |
| 14 | 14 |
| 15 #define __ assembler-> | 15 #define __ assembler-> |
| 16 | 16 |
| 17 ASSEMBLER_TEST_GENERATE(Call, assembler) { | 17 ASSEMBLER_TEST_GENERATE(Call, assembler) { |
| 18 __ call(&StubCode::InvokeDartCodeLabel()); | 18 StubCode* stub_code = Isolate::Current()->stub_code(); |
| 19 __ call(&stub_code->InvokeDartCodeLabel()); |
| 19 __ ret(); | 20 __ ret(); |
| 20 } | 21 } |
| 21 | 22 |
| 22 | 23 |
| 23 ASSEMBLER_TEST_RUN(Call, test) { | 24 ASSEMBLER_TEST_RUN(Call, test) { |
| 25 StubCode* stub_code = Isolate::Current()->stub_code(); |
| 24 CallPattern call(test->entry(), test->code()); | 26 CallPattern call(test->entry(), test->code()); |
| 25 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 27 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), |
| 26 call.TargetAddress()); | 28 call.TargetAddress()); |
| 27 } | 29 } |
| 28 | 30 |
| 29 | 31 |
| 30 static intptr_t prologue_code_size = -1; | 32 static intptr_t prologue_code_size = -1; |
| 31 | 33 |
| 32 | 34 |
| 33 ASSEMBLER_TEST_GENERATE(Jump, assembler) { | 35 ASSEMBLER_TEST_GENERATE(Jump, assembler) { |
| 34 ASSERT(assembler->CodeSize() == 0); | 36 ASSERT(assembler->CodeSize() == 0); |
| 35 __ pushq(PP); | 37 __ pushq(PP); |
| 36 __ LoadPoolPointer(PP); | 38 __ LoadPoolPointer(PP); |
| 37 prologue_code_size = assembler->CodeSize(); | 39 prologue_code_size = assembler->CodeSize(); |
| 38 __ JmpPatchable(&StubCode::InvokeDartCodeLabel(), PP); | 40 StubCode* stub_code = Isolate::Current()->stub_code(); |
| 39 __ JmpPatchable(&StubCode::AllocateArrayLabel(), PP); | 41 __ JmpPatchable(&stub_code->InvokeDartCodeLabel(), PP); |
| 42 __ JmpPatchable(&stub_code->AllocateArrayLabel(), PP); |
| 40 __ popq(PP); | 43 __ popq(PP); |
| 41 __ ret(); | 44 __ ret(); |
| 42 } | 45 } |
| 43 | 46 |
| 44 | 47 |
| 45 ASSEMBLER_TEST_RUN(Jump, test) { | 48 ASSEMBLER_TEST_RUN(Jump, test) { |
| 46 ASSERT(prologue_code_size != -1); | 49 ASSERT(prologue_code_size != -1); |
| 47 const Code& code = test->code(); | 50 const Code& code = test->code(); |
| 48 const Instructions& instrs = Instructions::Handle(code.instructions()); | 51 const Instructions& instrs = Instructions::Handle(code.instructions()); |
| 52 StubCode* stub_code = Isolate::Current()->stub_code(); |
| 49 bool status = | 53 bool status = |
| 50 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | 54 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), |
| 51 instrs.size(), | 55 instrs.size(), |
| 52 VirtualMemory::kReadWrite); | 56 VirtualMemory::kReadWrite); |
| 53 EXPECT(status); | 57 EXPECT(status); |
| 54 JumpPattern jump1(test->entry() + prologue_code_size, test->code()); | 58 JumpPattern jump1(test->entry() + prologue_code_size, test->code()); |
| 55 jump1.IsValid(); | 59 jump1.IsValid(); |
| 56 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 60 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), |
| 57 jump1.TargetAddress()); | 61 jump1.TargetAddress()); |
| 58 JumpPattern jump2((test->entry() + | 62 JumpPattern jump2((test->entry() + |
| 59 jump1.pattern_length_in_bytes() + prologue_code_size), | 63 jump1.pattern_length_in_bytes() + prologue_code_size), |
| 60 test->code()); | 64 test->code()); |
| 61 EXPECT_EQ(StubCode::AllocateArrayLabel().address(), | 65 EXPECT_EQ(stub_code->AllocateArrayLabel().address(), |
| 62 jump2.TargetAddress()); | 66 jump2.TargetAddress()); |
| 63 uword target1 = jump1.TargetAddress(); | 67 uword target1 = jump1.TargetAddress(); |
| 64 uword target2 = jump2.TargetAddress(); | 68 uword target2 = jump2.TargetAddress(); |
| 65 jump1.SetTargetAddress(target2); | 69 jump1.SetTargetAddress(target2); |
| 66 jump2.SetTargetAddress(target1); | 70 jump2.SetTargetAddress(target1); |
| 67 EXPECT_EQ(StubCode::AllocateArrayLabel().address(), | 71 EXPECT_EQ(stub_code->AllocateArrayLabel().address(), |
| 68 jump1.TargetAddress()); | 72 jump1.TargetAddress()); |
| 69 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 73 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), |
| 70 jump2.TargetAddress()); | 74 jump2.TargetAddress()); |
| 71 } | 75 } |
| 72 | 76 |
| 73 } // namespace dart | 77 } // namespace dart |
| 74 | 78 |
| 75 #endif // defined TARGET_ARCH_X64 | 79 #endif // defined TARGET_ARCH_X64 |
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